Are these DPAK style components? If so, you can print paste but, may find it does "droop" out. What we have found works is to mask of those locations on the bottom with Kapton tape. Print and reflow. Remove the tape prior to wash if using OA. -----Original Message----- From: Peter L. [mailto:[log in to unmask]] Sent: Monday, April 07, 2003 2:19 PM To: [log in to unmask] Subject: [TN] Filling PTH with solder Technet, What's the best method to solder fill 0.052" PTHs on a single sided SMT pcb assembly? There are several of them on the board and some will be covered by the body of large SMT inductors with no standoff. There is no solder mask on the bottom side and I would not want to create additional wave process. And on the open PTHs with this size, will stencil printing create any paste "drooping" through the bottom side? Rgds, Peter --------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------